This alert expired on 31 August 2026 at 23:51 UTC. It is kept here as a record.
It is the 22nd strongest of the 34 detections recorded within 20 km of this point since 9 August 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 31 at 4:42PM MST until August 31 at 4:45PM MST by NWS Phoenix AZ
Nearby, since 9 August 2026
- September 1, 2026 · score 16 · 9.8 km
- August 31, 2026 · score 28 · 14.2 km
- August 9, 2026 · score 22 · 15.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 61 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 61% |
| Coordinates | 33.7133, -113.9293 |
| Nearest City | Blythe (63 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T23:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.d44f51271a3590dfb09f98567e27812b6d004ff4.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | La Paz, AZ |
| Headline | Severe Thunderstorm Warning issued August 31 at 4:42PM MST until August 31 at 4:45PM MST by NWS Phoenix AZ |
| Expires | 2026-08-31T16:51:00-07:00 |
| SenderName | NWS Phoenix AZ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d44f51271a3590dfb09f98567e27812b6d004ff4.001.1","noaa_urn:oid:2.49.0.1.840.0.37979b24c67dc92095475c34e18fd474888f8633.001.1","noaa_urn:oid:2.49.0.1.840.0.c087506fe81dc80bb10f82b8bb33f6b4eff28f8c.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.